Make WheelsDemo and FourWheelsDmeo work again; whitespace
Circle demo with two flankers and one circle
Some data manipulation functions in service of building a demo
circledemo gets cleaner construction of params
tweak circledemo, ready to make oscillate
oscillating circleDemo
move setup of circle demo into method
circledemo interactivity, preap for avi render
fix interactive and tweak settings
update circle demo